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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | 1x 2x 2x 2x 6x 16x 140x 128x 16x 2x 16x 42x 20x 20x 16x 20x 16x 160x 2x 2x 15x 2x 3x 3x 2x | import { BreakpointObserver, Breakpoints } from '@angular/cdk/layout';
import { ChangeDetectionStrategy, Component, inject } from '@angular/core';
import { first, map, switchMap, timer } from 'rxjs';
import {
IForceDirectedChartData,
IForceDirectedChartOptions,
IForceDirectedGraphEntity,
} from '../../interfaces/force-directed-chart.interface';
/** Force directed chart example. */
@Component({
selector: 'app-chart-examples-force-directed',
templateUrl: './chart-examples-force-directed.component.html',
styleUrls: ['./chart-examples-force-directed.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
standalone: false,
})
export class AppChartExamplesForceDirectedComponent {
private readonly breakpointObserver = inject(BreakpointObserver);
/** Sample chart data. */
private readonly value = Object.freeze({
domains: ['first', 'second', 'third'],
entities: [
{ name: 'one', domains: ['first'], img: '' },
{ name: 'two', domains: ['second'], img: '' },
{ name: 'three', domains: ['third'], img: '' },
{ name: 'four', domains: ['first', 'second'], img: '' },
{ name: 'five', domains: ['second'], img: '' },
{ name: 'six', domains: ['third', 'second'], img: '' },
{ name: 'seven', domains: ['second'], img: '' },
{ name: 'eight', domains: ['third'], img: '' },
],
});
/** The chart data. */
private get chartData() {
const input = { ...this.value };
const domains: IForceDirectedChartData['domains'] = input.domains.map((name, index) => ({ index, name, value: 1 }));
const entities: IForceDirectedChartData['entities'] = input.entities.map((app, index) => ({
index: index,
name: app.name,
domains: [...app.domains],
img: app.img,
linksCount: input.entities.reduce((accumulator, entity) => {
const counter = entity.name === app.name ? 0 : entity.domains.filter(domain => app.domains.includes(domain)).length;
return accumulator + counter;
}, 0),
}));
const nodes: IForceDirectedGraphEntity[] = [...entities.map(item => ({ ...item, value: 1 }))];
const links: IForceDirectedChartData['links'] = entities
.map(entity => {
return entity.domains.map(domain => {
const source = domains.find(value => domain === value.name)?.index ?? -1;
const target = entity.index;
return { source, target };
});
})
.reduce((accumulator, item) => (Array.isArray(item) ? [...accumulator, ...item] : [...accumulator, item]), [])
.filter(link => link.source !== -1 && link.target !== -1 && typeof link.target !== 'undefined');
const chartData: IForceDirectedChartData = {
domains,
entities: entities.map(item => ({
...item,
linksCount: links.reduce((acc, link) => (link.target === item.index ? acc + 1 : acc), 0),
})),
links,
nodes,
};
return chartData;
}
/** The chart options. */
private get chartOptions() {
return {
chartTitle: 'Example force directed chart',
} as Partial<IForceDirectedChartOptions>;
}
/** the breakpoint observer stream. */
private readonly breakpoint$ = this.breakpointObserver
.observe([Breakpoints.XSmall, Breakpoints.Small, Breakpoints.Medium, Breakpoints.Large, Breakpoints.XLarge])
.pipe(map(result => Object.keys(result.breakpoints).find(item => result.breakpoints[item]) ?? 'unknown'));
/** The chart configuration stream. */
public readonly chartConfig$ = this.breakpoint$.pipe(
switchMap(() => {
const timeout = 100;
return timer(timeout).pipe(
first(),
map(() => ({ data: this.chartData, options: this.chartOptions })),
);
}),
);
}
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